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Audio Command Center Series Manual — P/N 51889:E1 6/8/2010 59
Installation of Option Modules Installation
6. Secure the FC-XRM70 Transformer Module(s) to the Audio Amplifier Module(s) with the
supplied screws.
3.8.3 Local Playback Speaker Module (FC-LPS)
The Local Playback Speaker Module can be used to monitor the recorded digital message without
transmitting the message over the system speakers. The speaker module plugs into P2 of the main
circuit board. This optional module is necessary to take advantage of the Playback feature.
The Speaker Module is connected by simply plugging the module connector into P2 of the main
circuit board. The Speaker Module may be temporarily
installed during the test period by using the
supplied mounting hardware.
1. Remove the main circuit board mounting screw located on the bottom center of the board.
Refer to the illustration below.
2. Install the supplied metal standoff in the mounting hole just vacated in Step 1 and screw
standoff into place.
3. Position the FC-LPS mounting bracket hole over the standoff and secure with screw removed
in Step 1.
4. Plug the FC-LPS Local Playback Speaker Module's polarized connector into connector P2 on
the main circuit board. P2 is located on the bottom right of the main circuit board near the
Control/Indicator panel.
Figure 3.18 70.7 V
RMS
Transformer Module Installation
Position standoff
(Step 2)
Install standoff
(Step 2)
Solder side
Secure with
screw (Step 2)
ACC-AAM25
Audio Amplifier
Module
Two Factory Installed Jumpers on P1 of Each
Amplifier Module Must be Removed to Install
the 70.7 V
RMS
Transformer (Step 4)
Install Standoff in
Mounting hole
(Step 2)
Install Standoffs in
Mounting holes (Step 2)
FC-XRM70
Transformer Module
a
c
2
5
x
f
m
n
.
w
m
f
ACC-AAM25 Audio
Amplifier Module
2
5
5
0
s
n
t
3
.
w
m
f